added pegjs; not sure if i'll use it
fixed jison grash

test plan: none
working on parser

test plan: none
working on parser 2

test plan: none
yay parser compiling

test plan: none
compiling, getting closer

test plan: none
remove rvalue, replace with just expression

test plan: none
fixed string regex

test plan: none
added lots of precedences

test plan: none
successfully parsed "a = 5"

test plan: node test.js